“边际效用”递减律是经济学中的—个具体规律,其含义是指在其它条件不变的情况下,随着所消费的商品数量的增加,每一个新增加的消费商品给消费者带来的满足程度要比上一个商品带来的满足程度低。举个简单例子来说,一个非常口渴的人,他当时最需要的莫过于一杯水了。当给他第一杯水时,他觉得甘甜可口:给他第二杯时,觉得已没有那么甜了;给他第三杯时,已不觉得口渴了;给他第四杯水时,已不想喝了;给他第五杯、第六杯时,他肚子已经胀起来了,不能喝了;再给他第七、第八杯时,他不仅不会感激你,反面会恨你,要落荒而逃了。 “Marginal utility ” The law of diminishing is a specific law in economics, the meaning is that under other conditions remain unchanged, with the increase in the number of goods consumed, each newly added consumer goods to the consumer The degree of satisfaction offered by the latter is lower than the satisfaction given by the previous commodity. To give a simple example, a very thirsty person, he most need is a glass of water. When he gave him the first glass of water, he felt sweet and delicious: when he gave him the second cup, he felt no longer so sweet; when he gave him the third cup, he did not feel thirsty; and when he gave him the fourth cup of water, He did not want to drink; give him the fifth cup, the sixth cup, his stomach has swollen up, can not drink; give him the seventh, eighth cup, he not only will not appreciate you, the opposite will hate you, To run away and flee.